Carl Zeiss Meditec AG (XBUL:AFX) Earnings Yield (Joel Greenblatt) %: 0.00% (As of Sep. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

XBUL:AFX Carl Zeiss Meditec AG XBUL:AFX
34 GF Score
Price €31.80
GF Value €121.21
Valuation Significantly Undervalued
! 4 Warning Signs
View Full Analysis

What is Carl Zeiss Meditec AG Earnings Yield (Joel Greenblatt) %?

Carl Zeiss Meditec AG XBUL:AFX 34 Earnings Yield (Joel Greenblatt) % is 0.00% as of Sep. 2025. GuruFocus rates XBUL:AFX with a GF Score™ of 34/100 and a GF Value™ of €121.21 (Significantly Undervalued). The stock has 4 warning signs investors should review. Among 849 Medical Devices & Instruments companies, Carl Zeiss Meditec AG ranks better than 79.51% on this metric.

Carl Zeiss Meditec AG's Enterprise Value for the quarter that ended in Sep. 2025 was €4,282 Mil. Carl Zeiss Meditec AG's EBIT for the trailing twelve months (TTM) ended in Sep. 2025 was €146 Mil. Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) for the quarter that ended in Sep. 2025 was 0.00%.

The historical rank and industry rank for Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:

XBUL:AFX' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: 1.73   Med: 3.9   Max: 10.17
Current: 7.06

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Carl Zeiss Meditec AG was 10.17%. The lowest was 1.73%. And the median was 3.90%.

XBUL:AFX's Earnings Yield (Joel Greenblatt) % is ranked better than
79.51% of 849 companies
in the Medical Devices & Instruments industry
Industry Median: 0.98 vs XBUL:AFX: 7.06

Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.

A better indicator of the attractiveness of an investment which takes growth into account is the Forward Rate of Return (Yacktman) %. Carl Zeiss Meditec AG's Forward Rate of Return (Yacktman) % for the quarter that ended in Sep. 2025 was 0.00%. The Forward Rate of Return uses the normalized Free Cash Flow of the past five years, and considers growth. The forward rate of return can be thought of as the return that investors buying the stock today can expect from it in the future.


Carl Zeiss Meditec AG  (XBUL:AFX) Earnings Yield (Joel Greenblatt) % Explanation

Joel Greenblatt defines the earnings yield using the above equation because it more accurately reflects the company's profitability relative to its stock price. Items like interest payment and tax etc. are not directly related to the company's operational profitability.

Enterprise Value instead of market cap (share price) is used in the calculation because it is the real price stock and bond investors together pay for the company.


Be Aware

Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.

Forward Rate of Return (Yacktman) % based on Don Yacktman's definition is a better measure of the expected rate of return for a stock.


Carl Zeiss Meditec AG Earnings Yield (Joel Greenblatt) % Related Terms


Carl Zeiss Meditec AG Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Carl Zeiss Meditec AG Earnings Yield (Joel Greenblatt) % Chart

Carl Zeiss Meditec AG Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Earnings Yield (Joel Greenblatt) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.31 4.19 5.58 3.94 5.15

Carl Zeiss Meditec AG Semi-Annual Data
Mar16 Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25
Earnings Yield (Joel Greenblatt) % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

XBUL:AFX vs ISRG, BDX, RMD: Earnings Yield (Joel Greenblatt) % Comparison

For the Medical Instruments & Supplies subindustry, Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) %, along with its competitors' market caps and Earnings Yield (Joel Greenblatt) % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Carl Zeiss Meditec AG Earnings Yield (Joel Greenblatt) % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % falls into.


XBUL:AFX
34GF Score
Carl Zeiss Meditec AG XBUL:AFX
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Carl Zeiss Meditec AG Earnings Yield (Joel Greenblatt) % Calculation

In his book, The Little That Beat the Market, hedge fund manager Joel Greenblatt defines Earnings Yield as operating income divided by enterprise value.

Carl Zeiss Meditec AGs Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Sep. 2025 is calculated as

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=220.462/4281.81309064
=5.15 %

For company reported semi-annually or annually, GuruFocus only calculate annual data for Earnings Yield (Joel Greenblatt) and apply the annual figure to corresponding quarter.


What does a Earnings Yield (Joel Greenblatt) % of 0.00% mean?
Carl Zeiss Meditec AG (XBUL:AFX) has a Earnings Yield (Joel Greenblatt) % of 0.00% as of Sep. 2025. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Carl Zeiss Meditec AG and its competitors. Over the past decade, Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % has ranged from 1.73 to 10.17. According to the industry distribution chart, Carl Zeiss Meditec AG ranks #174 out of 849 companies in the Medical Devices & Instruments industry, placing it in the top 20.5%.
Is Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % too high?
Carl Zeiss Meditec AG's current Earnings Yield (Joel Greenblatt) % is 0.00%. Over the past 10 years, this metric has ranged from a low of 1.73 to a high of 10.17. Based on the distribution chart, Carl Zeiss Meditec AG ranks #174 out of 849 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Carl Zeiss Meditec AG has a GF Score™ of 34/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Carl Zeiss Meditec AG's Earnings Yield (Joel Greenblatt) % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Carl Zeiss Meditec AG ranks #174 out of 849 companies for Earnings Yield (Joel Greenblatt) %. This places Carl Zeiss Meditec AG in the top 21% of its industry — outperforming the majority of peers. The industry median Earnings Yield (Joel Greenblatt) % is 0.98. Historically, Carl Zeiss Meditec AG's own Earnings Yield (Joel Greenblatt) % has ranged from 1.73 to 10.17 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Earnings Yield (Joel Greenblatt) % for a Medical Devices & Instruments company?
The median Earnings Yield (Joel Greenblatt) % among Medical Devices & Instruments companies is 0.98, based on 849 companies in the industry. Companies in the top quartile (top 25%) have a Earnings Yield (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, Earnings Yield (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Earnings Yield (Joel Greenblatt) % mean?
A high Earnings Yield (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Carl Zeiss Meditec AG and its competitors. For the Medical Devices & Instruments industry, the median Earnings Yield (Joel Greenblatt) % is 0.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Carl Zeiss Meditec AG's current Earnings Yield (Joel Greenblatt) % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Carl Zeiss Meditec AG stock overvalued right now?
Based on GuruFocus' analysis, Carl Zeiss Meditec AG (XBUL:AFX) is currently considered Significantly Undervalued. The stock's GF Value™ is €121.21, compared to a current price of €31.80 — trading 73.8% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 0.00%. Carl Zeiss Meditec AG's overall GF Score™ is 34/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings Yield (Joel Greenblatt) % calculated?
Earnings Yield (Joel Greenblatt) % is calculated from a company's financial statements. For Carl Zeiss Meditec AG (XBUL:AFX), the current Earnings Yield (Joel Greenblatt) % is 0.00% as of Sep. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Carl Zeiss Meditec AG (XBUL:AFX) Overvalued in 2026?

Based on GuruFocus' analysis, Carl Zeiss Meditec AG stock appears to be undervalued. The current stock price of €31.80 is trading 73.8% below its estimated GF Value™ of €121.21. GuruFocus considers Carl Zeiss Meditec AG to be Significantly Undervalued.

Key valuation signals for XBUL:AFX:

  • Earnings Yield (Joel Greenblatt) %: 0.00%
  • GF Value™: €121.21 vs. price of €31.80 (73.8% below fair value)
  • GF Score™: 34/100 with 4 warning signs

No single metric tells the full story. See the XBUL:AFX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Carl Zeiss Meditec AG Business Description

Address Goschwitzer Strasse 51-52, Jena, TH, DEU, 07745
Carl Zeiss Meditec is one of the largest visioncare technology companies in the world, and it operates in two segments: ophthalmic devices and microsurgery. OPT, which made up about 75% of sales in 2025, includes refractive lasers, surgical ophthalmic devices, equipment for ophthalmic diagnostics, as well as a portfolio of intraocular lenses and disposable medical instruments. With a low-teens share of the market, Zeiss is the second-largest player in the space. MCS is composed of implants, surgical instruments, and visualization devices used during neurosurgery, spine surgery, and otolaryngology surgery. With over 60% market share, Zeiss is the clear leader in the microsurgery space.
34GF Score

Get the complete analysis for XBUL:AFX

Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€31.80
Price
€121.21
GF Value